2026Canadian prices and NRCan ratings
GMC Sierra AT4X vs Jeep Gladiator
Key differences
From published figures, not a road test- The Sierra AT4X uses 0.3 L/100 km less combined (12.1 vs 12.4), about 60 L less fuel over 20,000 km.
- Transport Canada lists 2 safety recalls for the 2026 Sierra AT4X and 1 for the Gladiator.
Side by side
Add a third model →| Spec | JeepJeep Gladiator | |
|---|---|---|
| MSRP from | — | — |
| Vehonix efficiency score (out of 10) | 4.1/10 | 3.9/10 |
| Body | Pickup | Pickup |
| Fuel | Diesel | Gasoline |
| Combined (L or Le/100 km) | 12.1 | 12.4 |
| City | 12.2 | 13.7 |
| Highway | 12 | 10.8 |
| Electric range | — | — |
| Level 2 charge (240 V) | — | — |
| Total range (PHEV) | — | — |
| CO2 (g/km) | 326 | 291 |
| CO2 rating (out of 10) | — | — |
| Smog rating (out of 10) | — | — |
| Max power | — | — |
| Seats | — | — |
| Drivetrain | 4WD | 4WD |
| AWD / 4WD offered (winter) | Yes | Yes |
| Fuel required | — | — |
| Manual offered | No | No |
| Rated configurations | 2 | 1 |
| 2026 safety recalls (Transport Canada) | 2 | 1 |
The best figure on each row is highlighted. MSRP is the cheapest checked trim; fuel use is the most efficient trim.